ISL29023IROZ-T7 datasheet(9/11 Pages) INTERSIL

Part #	ISL29023IROZ-T7

Description	Integrated Digital Ambient Light Sensor with Interrupt Function

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Manufacturer	INTERSIL [Intersil Corporation]

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9

FN6691.0

March 3, 2009

Typical Performance Curves (VDD = 3V, REXT = 499kΩ)

FIGURE 4. NORMALIZED SPECTRAL RESPONSE OF LIGHT

SOURCES

FIGURE 5. NORMALIZED SPECTRAL RESPONSE FOR

AMBIENT LIGHT SENSING AND IR SENSING

FIGURE 6. RADIATION PATTERN

FIGURE 7. SENSITIVITY TO THREE LIGHT SOURCES

FIGURE 8. OUTPUT CODE FOR 0 LUX vs TEMPERATURE

FIGURE 9. OUTPUT CODE vs TEMPERATURE

0

0.2

0.4

0.6

0.8

1.0

1.2

300

400

500

600

700

800

900

1000 1100

WAVELENGTH (nm)

SUN

HALOGEN

INCANDESCENT

FLUORESCENT

-0.2

0

0.2

0.4

0.6

0.8

1.0

1.2

300

400

500

600

700

800

900

1000 1100

WAVELENGTH (nm)

HUMAN EYE

IR SENSING

AMBIENT LIGHT SENSING

RADIATION PATTERN

LUMINOSITY

ANGLE

RELATIVE SENSITIVITY

90°

80°

70°

60°

50°

40°

30°

20°

10°

0°

10°

20°

30°

40°

50°

60°

70°

80°

90°

0.2

0.4

0.6

0.8

1.0

0

100

200

300

400

500

600

700

800

900

1000

0

100 200 300 400 500 600 700 800 900 1000

LUX METER READING (LUX)

INCANDESCENT

HALOGEN

FLUORESCENT

ALS SENSING

RANGE 1 (1k Lux)

16-BIT ADC

0

32768

65535

1000 LUX

Ecal =

216

x DATA

NO COVER GLASS

TEMPERATURE (°C)

0

2

4

6

8

10

-60

-20

20

60

100

0 Lux

TEMPERATURE (°C)

0.90

0.95

1.00

1.05

1.10

-60

-20

20

60

100

300 Lux FLUORESCENT LIGHT

ALS SENSING

RANGE 1 (1k Lux)

ISL29023

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